William Cavendish, 7th. Duke of Devonshire. KG. PC.
1808 - 1891 (83 years)
Lady Anne Somerset
1741-1763
1741-1763
Lady Elizabeth Compton
-1804
-1804
William Cavendish
1783-1812
1783-1812
Louisa O'Callaghan
-1863
-1863